Tehachapi weather in September: Tehachapi, California: normal highs, lows, rain and records for September
Tehachapi in September has a normal high of 81°F and a normal low of 51°F, a daily mean of 66°F, falling from 85°F on the 1st to 76°F by the 30th. The month brings 0.15 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 10°C, 4 mm of precipitation in September.
- NOAA stationTehachapi (4 mi SE)
- Station IDUSC00048829
- Location35.10°N 118.42°W
- Elevation4,220 ft (1,286 m)
- Population11,114
- Jan 52° 32°
- Feb 53° 31°
- Mar 57° 34°
- Apr 61° 37°
- May 69° 44°
- Jun 79° 52°
- Jul 86° 58°
- Aug 86° 57°
- Sep 81° 51°
- Oct 71° 43°
- Nov 59° 37°
- Dec 51° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Tehachapi in September?
The normal high is 81°F and the normal low 51°F, for a daily mean of 65.6°F. September is 5.7°F cooler than August and 9.0°F warmer than October. September is the 3rd warmest month of the year in Tehachapi and the 10th wettest. Across the month the normal high falls 9°F, from 85°F on September 1 to 76°F on September 30. From one year to the next September's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 63°F and 68°F.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 85°F | 54°F | – | – |
| September 8 | 83°F | 53°F | – | – |
| September 15 | 81°F | 51°F | – | – |
| September 22 | 79°F | 49°F | – | – |
| September 30 | 76°F | 46°F | – | – |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 85°F | 54°F | – | – | 13 h |
| September 2 | 85°F | 54°F | – | – | 12 h 50 min |
| September 3 | 84°F | 54°F | – | – | 12 h 50 min |
| September 4 | 84°F | 54°F | – | – | 12 h 50 min |
| September 5 | 84°F | 54°F | – | – | 12 h 50 min |
| September 6 | 84°F | 53°F | – | – | 12 h 50 min |
| September 7 | 84°F | 53°F | – | – | 12 h 40 min |
| September 8 | 83°F | 53°F | – | – | 12 h 40 min |
| September 9 | 83°F | 53°F | – | – | 12 h 40 min |
| September 10 | 83°F | 52°F | – | – | 12 h 40 min |
| September 11 | 82°F | 52°F | – | – | 12 h 40 min |
| September 12 | 82°F | 52°F | – | – | 12 h 30 min |
| September 13 | 82°F | 51°F | – | – | 12 h 30 min |
| September 14 | 81°F | 51°F | – | – | 12 h 30 min |
| September 15 | 81°F | 51°F | – | – | 12 h 30 min |
| September 16 | 81°F | 51°F | – | – | 12 h 20 min |
| September 17 | 80°F | 50°F | – | – | 12 h 20 min |
| September 18 | 80°F | 50°F | – | – | 12 h 20 min |
| September 19 | 80°F | 50°F | – | – | 12 h 20 min |
| September 20 | 79°F | 49°F | – | – | 12 h 20 min |
| September 21 | 79°F | 49°F | – | – | 12 h 10 min |
| September 22 | 79°F | 49°F | – | – | 12 h 10 min |
| September 23 | 78°F | 48°F | – | – | 12 h 10 min |
| September 24 | 78°F | 48°F | – | – | 12 h 10 min |
| September 25 | 78°F | 48°F | – | – | 12 h 10 min |
| September 26 | 77°F | 47°F | – | – | 12 h |
| September 27 | 77°F | 47°F | – | – | 12 h |
| September 28 | 77°F | 47°F | – | – | 12 h |
| September 29 | 76°F | 46°F | – | – | 12 h |
| September 30 | 76°F | 46°F | – | – | 11 h 50 min |
- Normal high
- 81°FSeptember average
- Normal low
- 51°FSeptember average
- Precipitation
- 0.15 inmonth total
- Days at 90°F or more
- 3
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 27
- Days at 80°F or more
- 21
- Sunshine
- 96%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00048829; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Tehachapi in September?
In a normal September in Tehachapi, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00048829.
What are the records for September in Tehachapi?
The September mean against the 1991-2020 normal of 65.6°F: 2025 66.8°F (+1.2). 1 of 1 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2025 | 66.8°F | +1.2°F | 0.54 in |
Source: recent months: ACIS, station USC00048829. Records and recent months use complete months only.
How does September in Tehachapi compare across California?
Across the 219 places PlainClimate covers in California, September normal highs run from 64°F in Eureka to 104°F in Brawley; Tehachapi's is 81°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Tehachapi in August86°F by day, 57°F at night
- Tehachapi in October71°F by day, 43°F at night
- Tehachapi through the yearEvery month, frost dates, records and recent years
- California in SeptemberThe statewide normal and the warmest and coolest places
- Brawley: California's warmest Septembernormal high 104°F